摘要
提出了酸碱联合法用粉煤灰制备高纯氧化铝和超细二氧化硅的新工艺,描述了主要工艺步骤,本流程中原料可循环利用,无废气、废液的排放,并对氧化铝产品和二氧化硅产品进行了表征。
A new method was used to prepare the AlzO3 and SiO2 from fly ash by acid leaching combination alkali leaching. The main steps of the method was described in details. The product of Al2O3 and SiO2 was analyzed.
出处
《轻金属》
CSCD
北大核心
2007年第9期24-27,共4页
Light Metals
基金
国家科技部"973"项目(G199904690-4)
关键词
粉煤灰
酸浸
碱浸
高纯氧化铝
超细二氧化硅
ash fly
acid leaching
alkali leaching
high-purity alumina
superfine SiO2
